SOUND AMPLIFICATION
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United States of America Patent
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Issued Date -
Oct 4, 2018
app pub date -
Mar 29, 2018
filing date -
Mar 29, 2018
priority date (Note) -
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Abstract
A cupped structure formed by walls having a cup shape are fastened to a radio to surround at least the speaker area of the radio with the walls. The sound is allowed to exit the radio through cupped structure. The sound exiting the cupped structure is amplified.
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